Vanguard Factory... but more

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Foreword
Ever since Deeptrail Vanguard got printed, I have always been obsessed with the idea of copying Vanguard with copy spells. The copied Vanguard will draw the copy spell from the void on summon and each use of the spell refreshes the discard timer from the newest Vanguard, thus creating a slow but steady, infinite factory of Vanguards.
To increase its efficiency, we can either make our Vanguard more powerful, or increase the rate of printing new Vanguards. For the first, we can buff our base Vanguard using permanent buff spells like Accelerated Evolution and Exodus. However, since you can only reasonably print 2 Vanguards per turn most of the time, it is still pretty underwhelming unless you do some killer shenanigans. Therefore it is crucial to work on the rate of printing. Our default format will be Throne since (Expedition is a trash format) the cheapest copy spell, Mirror Image, is Throne-exclusive.

To be continued...